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A man, woman, and two boys desire to cross a river, but their boat has weight restrictions!

A mouse is at the top of a poplar tree 60 braccia high, and a cat is on the ground at its foot. The mouse decends 1/2 a braccia a day and at night it turns back 1/6 of a braccia.

Review of a book that suggests that the accepted historical chronology is fundamentally flawed.

A woodcutter starts to fell a tree 4 feet in diameter, and cuts half way through. One face of the cut is horizontal, and the other face is inclined to the horizontal at an angle of 45 degrees. Find the volume of the wood cut out.
Here is the title page of part I of the General Trattato di Numeri (General Treatise on Number and Measure) (1556) of Niccolo Tartaglia (1500-1557). This is an extensive work on elementary mathematics that was popular in Italy for several decades after its publication.
The triangle ABC has a right angle at C. Show that 1/ED=1/AC+1/AB
A railway train strikes a snowdrift which creates a constant resistance. How long does it take the snow to stop the train?
A tree is 20 feet tall and has a circumference of 3 feet. There is a vine that winds seven equally spaced times around the tree and reaches the top. What is the length of the vine?
Heron of Alexandria (ca 200) wrote on many aspects of applied mathematics.
We sadly announce the untimely death of one of Convergence's editorial board members.

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